[FFmpeg-trac] #3847(ffplay:new): Wrong decision of sample format
FFmpeg
trac at avcodec.org
Mon Aug 11 09:27:17 CEST 2014
#3847: Wrong decision of sample format
--------------------------------+--------------------------------------
Reporter: mfcc64 | Type: defect
Status: new | Priority: normal
Component: ffplay | Version: git-master
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
--------------------------------+--------------------------------------
Summary of the bug:
Wrong decision of sample format conversion from dblp to u8
Thank's
How to reproduce:
{{{
% ffplay -v debug -f lavfi 'aevalsrc=0.1*sin(2*PI*100*t):c=stereo,
aformat=dbl, equalizer=frequency=100'
ffplay version N-65425-g4b63bce Copyright (c) 2003-2014 the FFmpeg
developers
built on Aug 9 2014 07:45:07 with gcc 4.8.1 (GCC) 20130603 (Red Hat
4.8.1-1)
configuration: --disable-static --enable-shared --enable-gpl --enable-
nonfree --enable-fontconfig --enable-frei0r --enable-libfaac --enable-
libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libx264
--enable-openssl --enable-x11grab --enable-libvorbis --enable-libass
--enable-libx265 --enable-opengl
libavutil 52. 98.100 / 52. 98.100
libavcodec 55. 73.101 / 55. 73.101
libavformat 55. 55.100 / 55. 55.100
libavdevice 55. 13.102 / 55. 13.102
libavfilter 4. 11.103 / 4. 11.103
libswscale 2. 6.101 / 2. 6.101
libswresample 0. 19.100 / 0. 19.100
libpostproc 52. 3.100 / 52. 3.100
detected 2 logical cores
[Parsed_aevalsrc_0 @ 0x7fdf54004c20] compat: called with
args=[0.1*sin(2*PI*100*t):c=stereo]
[Parsed_aevalsrc_0 @ 0x7fdf54004c20] Setting 'exprs' to value
'0.1*sin(2*PI*100*t)'
[Parsed_aevalsrc_0 @ 0x7fdf54004c20] Setting 'c' to value 'stereo'
[Parsed_aformat_1 @ 0x7fdf54007d80] Setting 'sample_fmts' to value 'dbl'
[Parsed_equalizer_2 @ 0x7fdf54008640] Setting 'frequency' to value '100'
[Parsed_aformat_1 @ 0x7fdf54007d80] auto-inserting filter 'auto-inserted
resampler 0' between the filter 'Parsed_aevalsrc_0' and the filter
'Parsed_aformat_1'
[Parsed_equalizer_2 @ 0x7fdf54008640] auto-inserting filter 'auto-inserted
resampler 1' between the filter 'Parsed_aformat_1' and the filter
'Parsed_equalizer_2'
[out @ 0x7fdf54007c80] auto-inserting filter 'auto-inserted resampler 2'
between the filter 'Parsed_equalizer_2' and the filter 'out'
[AVFilterGraph @ 0x7fdf54005620] query_formats: 4 queried, 0 merged, 9
already done, 0 delayed
[Parsed_aevalsrc_0 @ 0x7fdf54004c20] sample_rate:44100 chlayout:stereo
duration:-1
[auto-inserted resampler 0 @ 0x7fdf54009d80] [SWR @ 0x7fdf5400a1a0] Using
double precision mode
[auto-inserted resampler 0 @ 0x7fdf54009d80] ch:2 chl:stereo fmt:dblp
r:44100Hz -> ch:2 chl:stereo fmt:dbl r:44100Hz
[auto-inserted resampler 1 @ 0x7fdf5400e760] [SWR @ 0x7fdf5400eac0] Using
double precision mode
[auto-inserted resampler 1 @ 0x7fdf5400e760] ch:2 chl:stereo fmt:dbl
r:44100Hz -> ch:2 chl:stereo fmt:dblp r:44100Hz
[auto-inserted resampler 2 @ 0x7fdf540132e0] [SWR @ 0x7fdf54013700] Using
double precision mode
[auto-inserted resampler 2 @ 0x7fdf540132e0] ch:2 chl:stereo fmt:dblp
r:44100Hz -> ch:2 chl:stereo fmt:u8 r:44100Hz
[lavfi @ 0x7fdf540008c0] All info found
Input #0, lavfi, from 'aevalsrc=0.1*sin(2*PI*100*t):c=stereo, aformat=dbl,
equalizer=frequency=100':
Duration: N/A, start: 0.000000, bitrate: 705 kb/s
Stream #0:0, 1, 1/44100: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
[ffplay_abuffer @ 0x7fdf54018960] Setting 'sample_rate' to value '44100'
[ffplay_abuffer @ 0x7fdf54018960] Setting 'sample_fmt' to value 'u8'
[ffplay_abuffer @ 0x7fdf54018960] Setting 'channels' to value '2'
[ffplay_abuffer @ 0x7fdf54018960] Setting 'time_base' to value '1/44100'
[ffplay_abuffer @ 0x7fdf54018960] Setting 'channel_layout' to value '0x3'
[ffplay_abuffer @ 0x7fdf54018960] tb:1/44100 samplefmt:u8 samplerate:44100
chlayout:0x3
[ffplay_abuffersink @ 0x7fdf540198e0] auto-inserting filter 'auto-inserted
resampler 0' between the filter 'ffplay_abuffer' and the filter
'ffplay_abuffersink'
[AVFilterGraph @ 0x7fdf54018a80] query_formats: 2 queried, 0 merged, 3
already done, 0 delayed
[auto-inserted resampler 0 @ 0x7fdf5401a860] ch:2 chl:stereo fmt:u8
r:44100Hz -> ch:2 chl:stereo fmt:s16 r:44100Hz
Audio frame changed from rate:44100 ch:2 fmt:u8 layout:stereo serial:-1 to
rate:44100 ch:2 fmt:u8 layout:stereo serial:1
[ffplay_abuffer @ 0x7fdf480018a0] Setting 'sample_rate' to value '44100'
[ffplay_abuffer @ 0x7fdf480018a0] Setting 'sample_fmt' to value 'u8'
[ffplay_abuffer @ 0x7fdf480018a0] Setting 'channels' to value '2'
[ffplay_abuffer @ 0x7fdf480018a0] Setting 'time_base' to value '1/44100'
[ffplay_abuffer @ 0x7fdf480018a0] Setting 'channel_layout' to value '0x3'
[ffplay_abuffer @ 0x7fdf480018a0] tb:1/44100 samplefmt:u8 samplerate:44100
chlayout:0x3
[ffplay_abuffersink @ 0x7fdf48002a80] auto-inserting filter 'auto-inserted
resampler 0' between the filter 'ffplay_abuffer' and the filter
'ffplay_abuffersink'
[AVFilterGraph @ 0x7fdf480015a0] query_formats: 2 queried, 0 merged, 3
already done, 0 delayed
[auto-inserted resampler 0 @ 0x7fdf48003da0] ch:2 chl:stereo fmt:u8
r:44100Hz -> ch:2 chl:stereo fmt:s16 r:44100Hz
}}}
wrong decision here:
{{{
[auto-inserted resampler 2 @ 0x7fdf540132e0] ch:2 chl:stereo fmt:dblp
r:44100Hz -> ch:2 chl:stereo fmt:u8 r:44100Hz
[auto-inserted resampler 0 @ 0x7fdf5401a860] ch:2 chl:stereo fmt:u8
r:44100Hz -> ch:2 chl:stereo fmt:s16 r:44100Hz
[auto-inserted resampler 0 @ 0x7fdf48003da0] ch:2 chl:stereo fmt:u8
r:44100Hz -> ch:2 chl:stereo fmt:s16 r:44100Hz
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3847>
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